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Evolution

Short Answer Type

51. Define connecting link (in regard to evolution) and give its one example from vertebrates.

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52. What is the significance of connecting links ?

Significance. Connecting links provide the evidence for the path of evolution and lie midway between the two groups that is they have features of both the groups of organisms. These confirm evolution of amphibians from fishes; mammals from reptiles ; arthropods and molluscs from the annelids. Such animals indicate transitional forms of organic evolution.

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